Core Ultra 7 265KF vs Ryzen 7 7800X3D
Core Ultra 7 265KF
Popular choices:
Ryzen 7 7800X3D
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Ultra 7 265KF
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 265KF | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($323) | ⚠️ Higher cost ($384) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 265KF | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+103%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($323) | ⚠️ Higher cost ($384) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core Ultra 7 265KF and Ryzen 7 7800X3D
Core Ultra 7 265KF
The Core Ultra 7 265KF is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,690 points. Launch price was $379.
Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The Core Ultra 7 265KF packs 20 cores / 20 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core Ultra 7 265KF has 12 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265KF versus 5 GHz on the Ryzen 7 7800X3D — a 9.5% clock advantage for the Core Ultra 7 265KF (base: 3.9 GHz vs 4.4 GHz). The Core Ultra 7 265KF uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core Ultra 7 265KF scores 58,690 against the Ryzen 7 7800X3D's 34,293 — a 52.5% lead for the Core Ultra 7 265KF. Cinebench R23 multi-core: 35,315 vs 18,500 (62.5% advantage for the Core Ultra 7 265KF). Geekbench 6 single-core — the metric most relevant to gaming — records 3,055 vs 2,700, a 12.3% lead for the Core Ultra 7 265KF that directly translates to higher frame rates. Multi-core Geekbench: 20,373 vs 15,000 (30.4% advantage for the Core Ultra 7 265KF). L3 cache: 30 MB (total) on the Core Ultra 7 265KF vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Core Ultra 7 265KF | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 20 / 20+150% | 8 / 16 |
| Boost Clock | 5.5 GHz+10% | 5 GHz |
| Base Clock | 3.9 GHz | 4.4 GHz+13% |
| L3 Cache | 30 MB (total) | 96 MB (total)+220% |
| L2 Cache | 3 MB (per core)+200% | 1 MB (per core) |
| Process | 3 nm-40% | 5 nm |
| Architecture | Arrow Lake-S (2024−2025) | Raphael (Zen4) (2022−2023) |
| PassMark | 58,690+71% | 34,293 |
| Cinebench R23 Multi | 35,315+91% | 18,500 |
| Geekbench 6 Single | 3,055+13% | 2,700 |
| Geekbench 6 Multi | 20,373+36% | 15,000 |
Memory & Platform
The Core Ultra 7 265KF uses the LGA1851 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Core Ultra 7 265KF supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 7 265KF) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z890 (Core Ultra 7 265KF) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Core Ultra 7 265KF | Ryzen 7 7800X3D |
|---|---|---|
| Socket | LGA1851 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400 | DDR5-5200 |
| Max RAM Capacity | 192 GB+50% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 24 | 28+17% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 7 265KF) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core Ultra 7 265KF requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Core Ultra 7 265KF rivals Ryzen 7 9700X; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Core Ultra 7 265KF | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics (2-core) |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | true | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The Core Ultra 7 265KF launched at $379 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($323 vs $384), the Core Ultra 7 265KF is $61 cheaper. In terms of value (PassMark points per dollar), the Core Ultra 7 265KF delivers 181.7 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Core Ultra 7 265KF the 68.2% better value option.
| Feature | Core Ultra 7 265KF | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $379-16% | $449 |
| Avg Price (30d) | $323-16% | $384 |
| Performance per Dollar | 181.7+103% | 89.3 |
| Release Date | 2024 | 2023 |
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